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In this study, we propose an authentication mechanism with privacy protection for opportunistic networks. It is applied for the short-term and limited-time wireless network environment, and a super node is set to manage node registration. The proposal implements some encryption and security technologies to against security threats and attacks. In the analysis, the proposed mechanism finishes the authentication...
With the development of power data network, the requirement for the free exchange of intelligent information has been put forward. The traditional power monitoring system needs to install a separate application software in the control panel, of which the long program development cycle, the complex deployment and maintenance, the poor compatibility and other shortcomings bring great inconvenience to...
Because the e-book has rich application of education, and cloud technology can share educational resources, e-Books combined with cloud technology will be the trend in education. But teachers' personal characteristics, computer assisted learning experience, understand system little, without sufficiency training, access teaching materials and intellectual property rights, etc., will cause usage barriers...
Mobile learning is potential and valuable in education. However, most of previous developing strategies of m-learning were analyzed by means of individual knowledge, experience, judgment, and statistic software. Although these methods provide systematic steps for the implementation of m-learning strategies, the correlation between factors cannot be considered thoroughly through the steps, and it is...
Along with the trend of computer technology, programming skill becomes the core competency of the future world, which highlights the importance of programming education. However, most of the related literature indicated that programming is difficult to be tackled for both learners who learn it and teachers who teach it. Despite of the importance, there are only a few cases in which teachers adopt...
ITRI container computer is a modular computer designed to be a building block for constructing cloud-scale data centers. Rather than using a traditional data center network architecture, which is typically based on a combination of Layer 2 switches and Layer 3 routers, ITRI containercomputer's internal interconnection fabric, called Peregrine, is specially architected to meet the scalability, fast...
Service industry and service trade are playing an increasingly important role in the world economy and trade. China's competitiveness in service trade is still weak. The underdevelopment, the incomplete competition and inadequate advanced factors of Chinese service industry are the major causes leading to the low competitiveness of Chinese service trade. China should speed up the development of service...
This study involved 38 primary school students in a detective game about cyber-ethics dilemmas and explored students' skills at making a reasoned decision and presenting a convincing argument. This game continued for five weeks and was supported by a computer system. It started with a given speculation/hypothesis. Then each student collected at least a piece of supporting evidence and wrote it up...
The purpose of this study was to investigate how to design an efficient collaborative learning model to develop a constructing consensus framework through CSCL. Our proposed mechanism employs binary tree structure and heterogeneous method to assign and organize the collaborative group. This study used the Web-based environment to carry out a series of collaborative learning activities and to facilitate...
In recent years, there has been a dramatic proliferation of research concerned with the ubiquitous learning (u-learning). The u-learning systems have to be continuously evaluated and improved for ensuring the system reliability. Therefore, this work based on meaningful learning aspect to propose a u-learning evaluation model. The model blends features of u-learning and meaningful learning to construct...
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